Center Alex Mack, who played for Browns, Falcons and 49ers, retires after 13 NFL seasons: Reports - The Athletic
49ers' Alex Mack ends NFL career after 13 seasons
49ers sign 6-time Pro Bowl C Alex Mack to 3-year deal
49ers Monday musings: Jimmy Garoppolo leads the way early on
Niners center Alex Mack retires after 13 seasons, seven Pro Bowls
7-time Pro Bowl C Alex Mack retires after 13 years in NFL
49ers C Alex Mack leaning towards retirement?
Alex Mack is retiring #alexmack #sanfrancisco #49ers #treylance #tcofa
Laken Tomlinson, Alex Mack Add to Deebo, Kittle in 2022 Pro Bowl
49ers Pro Bowler Shares Reasons for Walking Away: Insider
The 49ers have officially announced that they have signed C Alex Mack to a 3-year deal! I'm happy about it because before it was reported…
Cleveland Browns: Alex Mack reportedly plans to retire - Dawgs By Nature